Q21

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Q21

by magical cook » Mon Sep 24, 2007 7:04 am
If x < 0, then &#8730;(-x&#9474;x&#9474;) is
7
A. -x
B. -1
C. 1
D. x
E. &#8730;x


Can anyone help pls?
Source: — Problem Solving |

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by gabriel » Mon Sep 24, 2007 8:26 am